'use strict';

const { Service } = require('egg');
const ModelName = 'CouponMember'
class RouterService extends Service {
  /**
   * 根据分页和搜索条件获取
   * @param {Object} where 查询用户的条件
   * @param {Number} page 当前分页
   * @param {Number} pageSize 当前页每页多少条
   */
  async getPage(where, page, pageSize) {
    return this.ctx.model[ModelName].findAndCountAll({
      where,
      offset: pageSize * (page - 1),
      limit: pageSize,
      order:[
        // id 降序
        ['create_time','ASC']
      ],
      include: [
        {
            model: this.ctx.model.Member,
        },
        {
            model: this.ctx.model.Coupon,
        }
      ]
    });
  }

  // 所有列表
  async allList(where) {
    return this.ctx.model[ModelName].findAll({
      where,
      order:[
        // id 降序
        ['create_time','ASC']
      ],
      include: [
        {
          model: this.ctx.model.Member,
        },
        {
          model: this.ctx.model.Coupon,
        }
      ]
    });
  }
  async findOne(id) {
    return this.ctx.model[ModelName].findOne({
      where: {
        id,
      },
    });
  }

  /**
   * 创建
   * @param {*} data 角色信息
   */
  async create(data) {
    await this.ctx.model['Coupon'].update({
        status: 1
    }, {
        where: {
            id: data.coupon_id
        }
    });
    // memberIdList批量添加
    if (data.memberIdList && data.memberIdList.length > 0) {
        const memberIdList = data.memberIdList;
        const result = [];
        for (let i = 0; i < memberIdList.length; i++) {
            result.push(await this.ctx.model[ModelName].create({
              type: data.type,
                coupon_id: data.coupon_id,
              start_time: data.start_time,
                end_time: data.end_time,
               member_id: memberIdList[i]
            }));
        }
        return result;
    }
    return this.ctx.model[ModelName].create(data);
  }

  /**
   * 根据ID修改
   * @param {Number} id ID
   * @param {Object} data 要修改的信息
   */
  async update(id, data) {
    return await this.ctx.model[ModelName].update(data, { where: { id } });
  }

  /**
   * 根据id删除
   * @param {Number}
   */
  async deleteById(id) {
    return await this.ctx.model[ModelName].destroy({ where: { id } });
  }
}

module.exports = RouterService;
